Pregnant women throughout the United States are selling positive pregnancy tests on Craigslist for $25 apiece, ABC News reports.

Online ads for the tests suggest women are buying them for a number of reasons: Some may leverage the tests to get longtime boyfriends to finally pop the question, while others might be using the tests to prank parents. Others still may be using the tests to ask for money for a would-be abortion.

The ads appear in Craigslist classifieds for Chicago, New York and Houston, among other cities. Most posts offer the test with the comment “no questions asked.” Craigslist has flagged some for removal, but many such ads still live on the site.